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sta108final_takehome_ss11 - TAKE HOME FINAL EXAMINATION(Due...

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TAKE HOME FINAL EXAMINATION (Due on Friday, July 29) Statistics 108 Summer Session I, 2011 Does pollution have effect on mortality? Data in one early study designed to explore this issue came from 60 Standard Metropolitan Statistical Area (SMSA) in the United States, obtained for the years 1959-1961. [Source: GC McDonald and JS Ayers, “Some applications of the ‘Chernoff Faces’: a technique for graphically representing multivariate data”, in Graphical Representation of Multivariate Data, Academic Press, 1978. Total age-adjusted mortality [MORT] from all causes, in deaths per 100,000 population, is the response variable. The predictor variables are listed below: Mean annual precipitation (in inches) [PRECIP], Median number of school years completed by persons of age 25 or over [EDUC], Percentage of population in 1960 that is nonwhite [NONWHITE], Percentage of households with annual income under $3000 in 1960 [POOR], Relative pollution potential of oxides of nitrogen (NO X ) [NOX], Relative pollution potential of sulphur dioxide (SO 2 ) [SO2].
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